2.0 L of a ideal nitrogen gas (N2 ) are at 0.00°C and 1.0 atm. The ideal gas constant is R = 8.314 J/mol • K = 0.0821 L ? atm/mol ? K, Avogadro's number is 6.022 × 1023 molecules/mol,
and the ATOMIC mass of nitrogen is 14 g/mol.
(a) Determine the number of moles of N2.
(b) How many molecules of N2 are present?
(c) What is the mass of this gas?
(a) 0.089 mol (b) 5.4 × 1023 molecules (c) 2.5 g
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